Não informado. (2001). Annual report of the Ohio Agricultural Experiment Station. Ohio Agricultural Experiment Station.
Citação do estilo Chicago (17ª ed.)Não informado. Annual Report of the Ohio Agricultural Experiment Station. Wooster, Ohio: Ohio Agricultural Experiment Station, 2001.
Citação MLA (8ª ed.)Não informado. Annual Report of the Ohio Agricultural Experiment Station. Ohio Agricultural Experiment Station, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.